Add schema_prep() call to main()
Similiar changes to slapcommon.c
Add schema_prep() impl to schema_init.c
Add slap_ad_entry and slap_ad_children globals.
Add "entry" and "children" to openldap.schema (this likely should
  be added to schema via code, not configuration)

Replace U-Mich DN with OpenLDAP DN
Remove default referral
Add copyright notice
s/#!/bin/sh/#! /bin/sh/

Add ber_get_enum() for symmetry

Need to add lber-types(3) to document BER types, allocation, and deallocation.
May need to add additional pages to document other new features.

#undef __RETSTR before #define

was unused but it's needed in ntservice.c

ber_pvt_wsa_err2string.